4α,14α,Dimethyl-5α-cholest-8-en-3-one thiosemicarbazone

The compound 2 was prepared from equimolecular quantity of 1 (1g, 2.43 mmol), derivative triterpene resulting from Euphorbia officinarum1, and thiosemicarbazide2,3 dissolved in ethanol with several drops of conc. H2SO4.[...]